*{
    padding: 0;
    margin: 0;
}
/* header{

}  */

.ariariari {
    display: block;
    margin-left: auto;
    margin-right: auto;
    }

.sample2 {
    width: "100px";
    height: "100px";
}

.sample1{
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.sample3{
    width: 500px;
    height: 500px;
    object-fit: cover;
}

.sample4{
    width: 30%;
    height: 10%;
    object-fit: cover;
}

.puple {
    color: #f05fc0;
}

.pinke {
    color: #ffa4e1;
}

#navi ul{
    display: flex;
    list-style-type: none;
}
#navi li {
    flex: 1;
    font-weight: bold;;
    text-align: center; 
    padding-top: 20px;
    height: 40px;
    background-color: pink;
    transition: background-color 0.5s; /*マウスオーバで色が何秒で変わるか */
}
#navi li:hover {
    background-color: aquamarine;
    transition: background-color 800ms;
}
a,a:hover,a:visited{
    color: inherit; /*テキストがリンクになるときに青くならないようにする*/
}
a{
    text-decoration: none; /*テキストがリンクになるときに線がでないようにする*/

}

/* .container{
    display: flex;
} */

main{
    height: 1800px;
}
/* aside{
    width: 30%;
    background-color: aqua;
    height: 800px;
} */

/* トップページに戻るやつ
.pagetop {
    height: 50px;
    width: 50px;
    position: fixed;
    right: 30px;
    bottom: 30px;
    background: #fff;
    border: solid 2px #000;
    border-radius: 50%;
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 2;
    cursor: pointer;
}
  .pagetop__arrow {
    display: block;
    height: 10px;
    width: 10px;
    border-top: 3px solid #000;
    border-right: 3px solid #000;
    transform: translateY(20%) rotate(-45deg);
} */

footer{
    background-color: pink;
    text-align: center;
}

/* スマホ用 */
@media screen and (max-width: 640px) {
    img{
        width: 100%;
        height: 200px;
        object-fit: cover;
    }

    #navi li {
        flex: 1;
        font-size: 15px;
        font-weight: bold;;
        text-align: center; 
        padding-top: 20px;
        height: 40px;
        background-color: pink;
        transition: background-color 0.5s; /*マウスオーバで色が何秒で変わるか */
    }
}